Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The amount of suppression, estimated as the DAM for SM and FM as a function of masker level; the parameter is masker frequency. The open circles and squares represent the results for on-frequency (4281 Hz) and off-frequency maskers (2141 Hz), respectively. The filled circle and square represent the SM-FM difference illustrated by the horizontal arrows in Fig. 2.
